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CJ alignment
I have an 83 CJ7 and have had several people tell me to try getting it
aligned to get rid of a shake I've developed. I'm pretty sure it's a bad balanced tire. But anyway, what all can be adjusted to the alignment on these (castor, camber etc) and where are the adjustments made? Thanks! Allen |
Re: CJ alignment
Camber is not adjustable without installing special eccentric ball joints.
However you can easily adjust the toe, and you can shim the front axles to correct caster. Best place to start with all this is to get it on an alignment rack & get the current specs. Most modern alignment systems will provide you with a printout, showing specs vs. actual at all 4 wheels. This is also a way to determine if the rear axle housing is bent. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
Re: CJ alignment
Camber is not adjustable without installing special eccentric ball joints.
However you can easily adjust the toe, and you can shim the front axles to correct caster. Best place to start with all this is to get it on an alignment rack & get the current specs. Most modern alignment systems will provide you with a printout, showing specs vs. actual at all 4 wheels. This is also a way to determine if the rear axle housing is bent. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
Re: CJ alignment
Camber is not adjustable without installing special eccentric ball joints.
However you can easily adjust the toe, and you can shim the front axles to correct caster. Best place to start with all this is to get it on an alignment rack & get the current specs. Most modern alignment systems will provide you with a printout, showing specs vs. actual at all 4 wheels. This is also a way to determine if the rear axle housing is bent. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
Re: CJ alignment
You can adjust the toe in using a tape measure. There are clamps on the
tie rod ends you loosen plus you have to loosen the steering shock, then just turn the tie rod to set it. The front should be about 1/8" in. You can use the seam in the tire to get an even measurement from the front to the rear across the tires. That's about it unless you have put longer shackles in or something, then the axle can need shims. If you do a visual on the tires and see a lean in or out at the top, you likely have a blown ball joint or loose/bad wheel bearings, there is no adjustment. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
You can adjust the toe in using a tape measure. There are clamps on the
tie rod ends you loosen plus you have to loosen the steering shock, then just turn the tie rod to set it. The front should be about 1/8" in. You can use the seam in the tire to get an even measurement from the front to the rear across the tires. That's about it unless you have put longer shackles in or something, then the axle can need shims. If you do a visual on the tires and see a lean in or out at the top, you likely have a blown ball joint or loose/bad wheel bearings, there is no adjustment. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
You can adjust the toe in using a tape measure. There are clamps on the
tie rod ends you loosen plus you have to loosen the steering shock, then just turn the tie rod to set it. The front should be about 1/8" in. You can use the seam in the tire to get an even measurement from the front to the rear across the tires. That's about it unless you have put longer shackles in or something, then the axle can need shims. If you do a visual on the tires and see a lean in or out at the top, you likely have a blown ball joint or loose/bad wheel bearings, there is no adjustment. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
Hi Allen,
First, things first. If there's problem with a tire, get it fixed or get rid of it. Replace the steering stabilizer shock absorber: http://www.jcwhitney.com/webapp/wcs/...&storeId=10101 it will stop the front from shimming, even with worn out parts, like tie rod ends or ball joints. Set the toe-in to about an eight of an inch, via the tie rods. Castor is adjusted by using shim wedges. Bend the axle or use special ball joints as Gerald indicated for camber. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
Hi Allen,
First, things first. If there's problem with a tire, get it fixed or get rid of it. Replace the steering stabilizer shock absorber: http://www.jcwhitney.com/webapp/wcs/...&storeId=10101 it will stop the front from shimming, even with worn out parts, like tie rod ends or ball joints. Set the toe-in to about an eight of an inch, via the tie rods. Castor is adjusted by using shim wedges. Bend the axle or use special ball joints as Gerald indicated for camber. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
Hi Allen,
First, things first. If there's problem with a tire, get it fixed or get rid of it. Replace the steering stabilizer shock absorber: http://www.jcwhitney.com/webapp/wcs/...&storeId=10101 it will stop the front from shimming, even with worn out parts, like tie rod ends or ball joints. Set the toe-in to about an eight of an inch, via the tie rods. Castor is adjusted by using shim wedges. Bend the axle or use special ball joints as Gerald indicated for camber. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ ABanks5@columbus.rr.com wrote: > > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen |
Re: CJ alignment
Caster and Toe In are the only adjustments available.
If one could draw an imaginary line through the center of the upper and lower ball joints, and include the center of the spindle, that line would be known as the Caster Angle. Actually, the angle at which the line hit the ground is the Caster Angle. Zero degrees of angle is a line that hits the ground at a perfect perpendicular (90°) angle. If the line were tilted forward or backward, the degree of variance would be measured with + or - signs, and the number of degrees off of 90. The Caster Angle should lean towards the back, the spec is different for all cars, but generally the number is around 7°. Some are higher, some are lower. Your CJ will need this number to be in the range of about 4 to 6 degrees. If less than 4, and a small obstruction is encountered while driving, the tires will search for the straight ahead position. Add to this searching, the high probability that you have stuff like worn tie rods and ball joints, and the searching can becoome very dramatic. We call this Death Wobble. The only recovery is to reduce your speed until it goes away. The Caster Angle is pretty well set in your CJ because the axles have a flat flange welded on them that the springs are bolted to. I would be looking at the ubolts that hold the axle to the springs, then I would be checking the ball joints and tie rod ends. These are parts that can be worn on an old CJ7, but should not be worn on a TJ yet. The TJ is more suceptable to Death Wobble from poor caster angle than a CJ or. Toe In is set by adjusting the turnbuckles on the drag link (steering linkage). Toe In or Toe Out are the same thing in opposite directions. the Toe In will be the cause of pulling to the side, or steering wheel that is not centered properly, that sort of thing. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
Re: CJ alignment
Caster and Toe In are the only adjustments available.
If one could draw an imaginary line through the center of the upper and lower ball joints, and include the center of the spindle, that line would be known as the Caster Angle. Actually, the angle at which the line hit the ground is the Caster Angle. Zero degrees of angle is a line that hits the ground at a perfect perpendicular (90°) angle. If the line were tilted forward or backward, the degree of variance would be measured with + or - signs, and the number of degrees off of 90. The Caster Angle should lean towards the back, the spec is different for all cars, but generally the number is around 7°. Some are higher, some are lower. Your CJ will need this number to be in the range of about 4 to 6 degrees. If less than 4, and a small obstruction is encountered while driving, the tires will search for the straight ahead position. Add to this searching, the high probability that you have stuff like worn tie rods and ball joints, and the searching can becoome very dramatic. We call this Death Wobble. The only recovery is to reduce your speed until it goes away. The Caster Angle is pretty well set in your CJ because the axles have a flat flange welded on them that the springs are bolted to. I would be looking at the ubolts that hold the axle to the springs, then I would be checking the ball joints and tie rod ends. These are parts that can be worn on an old CJ7, but should not be worn on a TJ yet. The TJ is more suceptable to Death Wobble from poor caster angle than a CJ or. Toe In is set by adjusting the turnbuckles on the drag link (steering linkage). Toe In or Toe Out are the same thing in opposite directions. the Toe In will be the cause of pulling to the side, or steering wheel that is not centered properly, that sort of thing. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
Re: CJ alignment
Caster and Toe In are the only adjustments available.
If one could draw an imaginary line through the center of the upper and lower ball joints, and include the center of the spindle, that line would be known as the Caster Angle. Actually, the angle at which the line hit the ground is the Caster Angle. Zero degrees of angle is a line that hits the ground at a perfect perpendicular (90°) angle. If the line were tilted forward or backward, the degree of variance would be measured with + or - signs, and the number of degrees off of 90. The Caster Angle should lean towards the back, the spec is different for all cars, but generally the number is around 7°. Some are higher, some are lower. Your CJ will need this number to be in the range of about 4 to 6 degrees. If less than 4, and a small obstruction is encountered while driving, the tires will search for the straight ahead position. Add to this searching, the high probability that you have stuff like worn tie rods and ball joints, and the searching can becoome very dramatic. We call this Death Wobble. The only recovery is to reduce your speed until it goes away. The Caster Angle is pretty well set in your CJ because the axles have a flat flange welded on them that the springs are bolted to. I would be looking at the ubolts that hold the axle to the springs, then I would be checking the ball joints and tie rod ends. These are parts that can be worn on an old CJ7, but should not be worn on a TJ yet. The TJ is more suceptable to Death Wobble from poor caster angle than a CJ or. Toe In is set by adjusting the turnbuckles on the drag link (steering linkage). Toe In or Toe Out are the same thing in opposite directions. the Toe In will be the cause of pulling to the side, or steering wheel that is not centered properly, that sort of thing. <ABanks5@columbus.rr.com> wrote in message news:Apcpb.2302$gD1.1257@fe2.columbus.rr.com... > I have an 83 CJ7 and have had several people tell me to try getting it > aligned to get rid of a shake I've developed. I'm pretty sure it's a bad > balanced tire. But anyway, what all can be adjusted to the alignment on > these (castor, camber etc) and where are the adjustments made? > Thanks! > > Allen > > |
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